The correct statement is:
d. Oxygen is a pure substance and rocks are mixtures.
Oxygen (O2) is a pure substance in its molecular form, while rocks are typically composed of a combination of different minerals and materials, making them mixtures.
Which statement is true about oxygen and rocks? (5 points)
a
Both are mixtures.
b
Both are pure substances.
c
Oxygen is a mixture and a rock is a pure substance.
d
Oxygen is a pure substance and rocks are mixtures.
1 answer